文档介绍：******@-mail:******@ustc.******@ustc.?Complexity research center of USST?博士:傅家旗,刘晓露,杨凯?研三:任卓明,胡兆龙,杨光勇?研二:侯磊,宋文君,张一璐?研一:林坚洪,计磊,王江盼,唐丽英?University of Fribourg?Prof. Yi-Cheng Zhang?Said Business School, University of Oxford?Prof. Felix Reed-Tsochas?Prof. Robin Dunbar?Dr. Mason PorterTeam member and ******@ustc.******@ 2010年数据Facebook 2013年数据******@******@ possible science questions?How to measure the impact of the munication tools on human collective behaviors??Whether the munication tools have change our behavior pattern? And how? What is the relationship between the online and offline behaviors??How to rank the node importance of the large-scale works??How to identify the evolution pattern of the online user reputation and project quality??What is the social influence??How to measure the online user interests??……?******@ properties of Facebook user interaction behavior analysis of online interest the node ******@ user interaction behaviorsDunbar’s Number is an estimate of the sizes of human and primate works. Dunbar discovered that the size of the neocortex is strongly correleated to group sizes. ******@ustc.?Y. Ahn, S. Han, H. Kwak, S. Moon and H. Jeong, Analysis of topological characteristics of huge online working services. in: Proceedings of the 16th international conference on World Wide Web, New York, 2007, -844. Mean number of friends 46?. Golder, D. Wilkinson and . Huberman, Rhythms of social interaction: messaging within a massive work. in: Proceedings of the 3rd International Conference munities and Technologies Conference, Michigan State, 2007, -56. Mean number of friends ?Goncalves, N. Perra and A. Vespignani, Modeling users’ activity on works: validation of Dunbar’ number. PLoS One 6(8) (2011) e22656 . Mean number o